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3 | 3 |
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4 | 4 | /// Dataset Marketplace Module |
5 | 5 | /// Manages dataset listings, purchases, and access control |
6 | | -module dataset_marketplace::marketplace { |
7 | | - use sui::coin::{Self, Coin}; |
8 | | - use sui::sui::SUI; |
9 | | - use sui::event; |
10 | | - |
11 | | - // ============ Error codes ============ |
12 | | - const EInsufficientPayment: u64 = 0; |
13 | | - const EDatasetNotFound: u64 = 1; |
14 | | - const ENotSeller: u64 = 2; |
15 | | - const EAlreadyPurchased: u64 = 3; |
16 | | - |
17 | | - // ============ One-Time Witness ============ |
18 | | - public struct MARKETPLACE has drop {} |
19 | | - |
20 | | - // ============ Structs ============ |
21 | | - |
22 | | - /// Dataset listing created by seller |
23 | | - public struct DatasetListing has key, store { |
24 | | - id: UID, |
25 | | - seller: address, |
26 | | - price: u64, |
27 | | - blob_id: vector<u8>, // Walrus blob ID |
28 | | - encrypted_object: vector<u8>, // Seal encrypted object (hex) |
29 | | - name: vector<u8>, |
30 | | - description: vector<u8>, |
31 | | - preview_size: u64, // Bytes available for preview |
32 | | - total_size: u64, |
33 | | - } |
34 | | - |
35 | | - /// Purchase receipt - proof that buyer paid for dataset |
36 | | - public struct PurchaseReceipt has key, store { |
37 | | - id: UID, |
38 | | - dataset_id: ID, |
39 | | - buyer: address, |
40 | | - seller: address, |
41 | | - price: u64, |
42 | | - timestamp: u64, |
43 | | - } |
44 | | - |
45 | | - // ============ Events ============ |
46 | | - |
47 | | - public struct DatasetListed has copy, drop { |
48 | | - dataset_id: ID, |
49 | | - seller: address, |
50 | | - price: u64, |
51 | | - name: vector<u8>, |
52 | | - } |
53 | | - |
54 | | - public struct DatasetPurchased has copy, drop { |
55 | | - dataset_id: ID, |
56 | | - buyer: address, |
57 | | - seller: address, |
58 | | - price: u64, |
59 | | - } |
60 | | - |
61 | | - // ============ Functions ============ |
62 | | - |
63 | | - /// Create a new dataset listing |
64 | | - public fun list_dataset( |
65 | | - blob_id: vector<u8>, |
66 | | - encrypted_object: vector<u8>, |
67 | | - name: vector<u8>, |
68 | | - description: vector<u8>, |
69 | | - price: u64, |
70 | | - preview_size: u64, |
71 | | - total_size: u64, |
72 | | - ctx: &mut TxContext, |
73 | | - ): DatasetListing { |
74 | | - let listing = DatasetListing { |
75 | | - id: object::new(ctx), |
76 | | - seller: ctx.sender(), |
77 | | - price, |
78 | | - blob_id, |
79 | | - encrypted_object, |
80 | | - name, |
81 | | - description, |
82 | | - preview_size, |
83 | | - total_size, |
84 | | - }; |
85 | | - |
86 | | - event::emit(DatasetListed { |
87 | | - dataset_id: object::id(&listing), |
88 | | - seller: ctx.sender(), |
89 | | - price, |
90 | | - name, |
91 | | - }); |
92 | | - |
93 | | - listing |
94 | | - } |
95 | | - |
96 | | - /// Purchase a dataset - creates receipt and transfers payment to seller |
97 | | - public fun purchase_dataset( |
98 | | - listing: &DatasetListing, |
99 | | - payment: Coin<SUI>, |
100 | | - clock: &sui::clock::Clock, |
101 | | - ctx: &mut TxContext, |
102 | | - ): PurchaseReceipt { |
103 | | - assert!(coin::value(&payment) >= listing.price, EInsufficientPayment); |
104 | | - |
105 | | - // Transfer payment to seller |
106 | | - transfer::public_transfer(payment, listing.seller); |
107 | | - |
108 | | - let receipt = PurchaseReceipt { |
109 | | - id: object::new(ctx), |
110 | | - dataset_id: object::id(listing), |
111 | | - buyer: ctx.sender(), |
112 | | - seller: listing.seller, |
113 | | - price: listing.price, |
114 | | - timestamp: sui::clock::timestamp_ms(clock), |
115 | | - }; |
116 | | - |
117 | | - event::emit(DatasetPurchased { |
118 | | - dataset_id: object::id(listing), |
119 | | - buyer: ctx.sender(), |
120 | | - seller: listing.seller, |
121 | | - price: listing.price, |
122 | | - }); |
123 | | - |
124 | | - receipt |
125 | | - } |
| 6 | +module dataset_marketplace::marketplace; |
| 7 | + |
| 8 | +use sui::coin::{Self, Coin}; |
| 9 | +use sui::event; |
| 10 | +use sui::sui::SUI; |
| 11 | + |
| 12 | +// ============ Error codes ============ |
| 13 | +const EInsufficientPayment: u64 = 0; |
| 14 | +// const EDatasetNotFound: u64 = 1; |
| 15 | +// const ENotSeller: u64 = 2; |
| 16 | +// const EAlreadyPurchased: u64 = 3; |
| 17 | + |
| 18 | +// ============ One-Time Witness ============ |
| 19 | +public struct MARKETPLACE has drop {} |
| 20 | + |
| 21 | +// ============ Structs ============ |
| 22 | + |
| 23 | +/// Dataset listing created by seller |
| 24 | +public struct DatasetListing has key, store { |
| 25 | + id: UID, |
| 26 | + seller: address, |
| 27 | + price: u64, |
| 28 | + blob_id: vector<u8>, // Walrus blob ID |
| 29 | + encrypted_object: vector<u8>, // Seal encrypted object (hex) |
| 30 | + name: vector<u8>, |
| 31 | + description: vector<u8>, |
| 32 | + preview_size: u64, // Bytes available for preview |
| 33 | + total_size: u64, |
| 34 | +} |
| 35 | + |
| 36 | +/// Purchase receipt - proof that buyer paid for dataset |
| 37 | +public struct PurchaseReceipt has key, store { |
| 38 | + id: UID, |
| 39 | + dataset_id: ID, |
| 40 | + buyer: address, |
| 41 | + seller: address, |
| 42 | + price: u64, |
| 43 | + timestamp: u64, |
| 44 | +} |
| 45 | + |
| 46 | +// ============ Events ============ |
| 47 | + |
| 48 | +public struct DatasetListed has copy, drop { |
| 49 | + dataset_id: ID, |
| 50 | + seller: address, |
| 51 | + price: u64, |
| 52 | + name: vector<u8>, |
| 53 | +} |
| 54 | + |
| 55 | +public struct DatasetPurchased has copy, drop { |
| 56 | + dataset_id: ID, |
| 57 | + buyer: address, |
| 58 | + seller: address, |
| 59 | + price: u64, |
| 60 | +} |
| 61 | + |
| 62 | +// ============ Functions ============ |
| 63 | + |
| 64 | +/// Create a new dataset listing |
| 65 | +public fun list_dataset( |
| 66 | + blob_id: vector<u8>, |
| 67 | + encrypted_object: vector<u8>, |
| 68 | + name: vector<u8>, |
| 69 | + description: vector<u8>, |
| 70 | + price: u64, |
| 71 | + preview_size: u64, |
| 72 | + total_size: u64, |
| 73 | + ctx: &mut TxContext, |
| 74 | +): DatasetListing { |
| 75 | + let listing = DatasetListing { |
| 76 | + id: object::new(ctx), |
| 77 | + seller: ctx.sender(), |
| 78 | + price, |
| 79 | + blob_id, |
| 80 | + encrypted_object, |
| 81 | + name, |
| 82 | + description, |
| 83 | + preview_size, |
| 84 | + total_size, |
| 85 | + }; |
| 86 | + |
| 87 | + event::emit(DatasetListed { |
| 88 | + dataset_id: object::id(&listing), |
| 89 | + seller: ctx.sender(), |
| 90 | + price, |
| 91 | + name, |
| 92 | + }); |
| 93 | + |
| 94 | + listing |
| 95 | +} |
| 96 | + |
| 97 | +/// Purchase a dataset - creates receipt and transfers payment to seller |
| 98 | +public fun purchase_dataset( |
| 99 | + listing: &DatasetListing, |
| 100 | + payment: Coin<SUI>, |
| 101 | + clock: &sui::clock::Clock, |
| 102 | + ctx: &mut TxContext, |
| 103 | +): PurchaseReceipt { |
| 104 | + assert!(coin::value(&payment) >= listing.price, EInsufficientPayment); |
| 105 | + |
| 106 | + // Transfer payment to seller |
| 107 | + transfer::public_transfer(payment, listing.seller); |
| 108 | + |
| 109 | + let receipt = PurchaseReceipt { |
| 110 | + id: object::new(ctx), |
| 111 | + dataset_id: object::id(listing), |
| 112 | + buyer: ctx.sender(), |
| 113 | + seller: listing.seller, |
| 114 | + price: listing.price, |
| 115 | + timestamp: sui::clock::timestamp_ms(clock), |
| 116 | + }; |
| 117 | + |
| 118 | + event::emit(DatasetPurchased { |
| 119 | + dataset_id: object::id(listing), |
| 120 | + buyer: ctx.sender(), |
| 121 | + seller: listing.seller, |
| 122 | + price: listing.price, |
| 123 | + }); |
| 124 | + |
| 125 | + receipt |
126 | 126 | } |
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